IFC 110 F V2.0 IFC 110 F-EEx V2.0 - Krohne

Sect. 10.2 Part D Technical Data, Measuring Principle and Block Diagram10.2 Error limitsDisplay, digital values, pulse outputF maximum error in % of measured value (MV), not typical valuesv Flow velocity in m/s and ft/sReference conditions similar to EN 29 104Product water at 10 – 30°C/ 50 – 86°FElectrical conductivity> 300 µS/cmPower supply (rated voltage) U N (± 2%)Ambient temperature 20 – 22°C / 68-71.6 °FWarm-up time60 minMax. calibration equipment error10 × smaller than FInlet / outlet runs10 × DN / 2 × DN (DN = meter size)Flow sensorproperly grounded and centeredCalibrated on EN 17025 accredit to calibration equipment in direct volumetric comparsion.* VARIFLUX 6000 F (DN 2.5 – 4and 1/10’’ – 1/6’’)additional error ± 0,3% of MVMVzMeasured Value= 1 mm/s = 0.04 inch/sFlow Meter size Standard details Option (extra charge)sensor DN mm inch v ≥ 1.0 m/s v < 1.0 m/s Curve v ≥ 1.0 m/s v < 1.0 m/s Curvev ≥ 3.3 ft/s v < 3.3 ft/s v ≥ 3.3 ft/s v < 3.3 ft/sVARIFLUX 2.5- 61 /10 -1 /4 ± 0.5% of MV ± 0.4% of MV + z C – – –6000 F 10 - 803 /8 - 3 ± 0.3% of MV ± 0.2% of MV + z B – – –PROFIFLUX 2.5- 61 /10 -1 /4 ± 0.5% of MV ± 0.4% of MV + z C – – –5000 F 10 - 1003 /8 - 4 ± 0.3% of MV ± 0.2% of MV + z B ± 0.2% of MV ± 0.1% of MV + z AALTOFLUX 10. - 25/8 - 1 – –4000 F 32 -1600 1 1 ± 0.3% of MV ± 0.2% of MV + z B/4 -64± 0.2% of MV ± 0.1% of MV + z AALTOFLUX2000 F150 - 250 6 -10 ± 0.3% of MV ± 0.2% of MV + z B ± 0.2% of MV ± 0.1% of MV + z AECOFLUX1000 F10 - 1503 /8 - 6 ± 0.5% of MV ± 0.4% of MV + z B – – –M 900 10. - 25/8 - 1 – – –32 - 300 1 1 ± 0.3% of MV ± 0.2% of MV + z B/4 -12± 0.2% of MV ± 0.1% of MV + z ACurrent output same error limits as above, additionally ± 10 µAReproducibility andrepeatability0,1% of MV, minimum 1 mm/s / 0.04 inch/s at constant flowExternal influences typical values maximum valuesAmbient temperaturePulse output 0,003% of MV (1) 0,01 % of MV (1) per 1 K / 1.8° FCurrent output 0,01 % of MV (1) 0,025% of MV (1)} temperature variationPower supply < 0,02 % of MV 0,05 % of MV at 10% variationLoad < 0,01 % of MV 0,02 % of MV, at max. load, see Sect. 10.1(1) All KROHNE signal converters undergo burn-in tests, duration minimum 20 hours at varying ambient temperatures– 20 to + 60°C/– 4 to + 140°F. The tests are controlled by computers.90 IFC 110 F 05/2003